(function() {

    "use strict";
    var file = "https://code.jquery.com/jquery-1.9.1.js";
    var file1 = "https://ajax.aspnetcdn.com/ajax/jquery.validate/1.9/jquery.validate.min.js";

    if(IEVersion() === -1){
        document.write( "<script src='" + file + "'></script>" );
        document.write( "<script src='" + file1 + "'></script>" );
    }else{
        document.write( "<script src='" + file + "'></script>" );
        document.write( "<script src='" + file1 + "'></script>" );
    }
})();

function IEVersion() {
    'use strict';
    var userAgent = navigator.userAgent; //取得浏览器的userAgent字符串
    var isIE = userAgent.indexOf("compatible") > -1 && userAgent.indexOf("MSIE") > -1; //判断是否IE<11浏览器
    var isEdge = userAgent.indexOf("Edge") > -1 && !isIE; //判断是否IE的Edge浏览器
    var isIE11 = userAgent.indexOf('Trident') > -1 && userAgent.indexOf("rv:11.0") > -1;
    if(isIE) {
        var reIE = new RegExp("MSIE (\\d+\\.\\d+);");
        reIE.test(userAgent);
        var fIEVersion = parseFloat(RegExp["$1"]);
        if(fIEVersion === 7) {
            return 7;
        } else if(fIEVersion === 8) {
            return 8;
        } else if(fIEVersion === 9) {
            return 9;
        } else if(fIEVersion === 10) {
            return 10;
        } else {
            return 6;//IE版本<=7
        }
    } else if(isEdge) {
        return 'edge';//edge
    } else if(isIE11) {
        return 11; //IE11
    }else{
        return -1;//不是ie浏览器
    }
}